/Engine/Plugins/Experimental/ProxyLODPlugin/Source/ProxyLOD/Public/ProxyLODVolume.h
Will destroy UVs and other attributes Returns the average location of the input meshes.
FVector ComputeUnion ( const [TArray](API\Runtime\Core\Containers\TArray)< [IVoxelBasedCSG::FPlacedMesh](API\Plugins\ProxyLODMeshReduction\IVoxelBasedCSG\FPlacedMesh) > & MeshArray, [FMeshDescription](API\Runtime\MeshDescription\FMeshDescription) & ResultMesh, double Adaptivity, double IsoSurfcae ) const